Flo Slate Rubble is a fictional and recurring character of The Flintstone Kids, a spin-off of the original series, The Flintstones.


Flo is the sister of Mr. Slate, the mother of Barney and Dusty, the wife of Bob, the daughter-in-law of Betty, the adoptive grandmother of Bamm-Bamm and the adoptive grandmother-in-law of Pebbles Flintstone.

Physical Appearance

Flo is a beautiful, slim and slender woman with fair skin and blonde hair. She wears an aqua-blue loin-cloth/tube dress with aqua-blue straps that tie around the back of her neck, a decorative stone sewn onto the front of the chest and a jagged bottom. She also wears magenta glasses and white earrings.



  • Her appearance looks exactly different and very similar to Betty Rubble.
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